The dependency ratio in less develop countries.

Introduction
In developing countries, tax revenues as a percentage of GDP are generally significantly low than the developed countries, that’s why most of its population economically inactive. The dependency ratio means economically active and inactive workers. The dependency ratio generally consist of the age of 16-65, people in this age people are effectively economically inactive, for instance students , people on sickness and disability allowance, long term unemployment , early retirement , mothers looking after children at home. Moreover, an increase in the dependency ratio can cause fiscal problems for the government , a high dependency ratio can cause serious problems for a country if a large proportion of a government expenditure is health and social security and education.
Another reason is in developing countries a large size of people associated to agraiculture and there is less surity of the salary and nomally they could not pay their taxes and moreover they always former have many children means more form hand.
It is inevitable necessary that prudent economic policies are needed for the attainment of their development goal the biggest problem is that most developing countries depend on international finance such as world bank and they hardly generate enough domestic revenue. It is very important to know the dependency ratio of a country, economically active pay much income tax corporation tax and to a lesser extent.

Statistics indicate that whiles the developed world have about 2 dependants to a working person, that of the less developed world is about 6 dependants to a working person (Martin Schnitzer). the alarming demographic feature has been the concern of some well-meaning demographers with regard to it effects such as overcrowding among a lot , one of the demographic distinction ,